Please help me figure out 3.
Can someone do it step by step?

The graph of a hyperbola is shown. what are the coordinates of a vertex of the hyperbola? (0, −4) (−3, 0) (0, 0) (0, 5)

Find the condition that the zeros of the polynomial f(x) = x^3+3px^2+3px+r may be in a.p.

Which geometric principle is used to justify the construction below?